conductiong carbon granule. 1.Good conductivity,Electric Resistance over 100oh 2.hardness:75 3.Good quanlity 4.environmental conductiong carbon granuleConductive rubberGood conductivity,Electric Resistance over 100ohmm,hardness:75,and we can adjust it as customer request.conductiong carbon granule.1.Good conductivity,Electric Resistance over 100oh2.hardness:753.Good quanlity4.environmentalHuiZhou ...